CN106935289B - A kind of reactor pressure vessel peace note pipe automaticly inspects positioning drive unit - Google Patents
A kind of reactor pressure vessel peace note pipe automaticly inspects positioning drive unit Download PDFInfo
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- CN106935289B CN106935289B CN201511017025.3A CN201511017025A CN106935289B CN 106935289 B CN106935289 B CN 106935289B CN 201511017025 A CN201511017025 A CN 201511017025A CN 106935289 B CN106935289 B CN 106935289B
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- 239000000523 sample Substances 0.000 claims description 18
- 238000007689 inspection Methods 0.000 claims description 17
- 238000007654 immersion Methods 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000009659 non-destructive testing Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000001095 motoneuron effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 5
- 239000005401 pressed glass Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000004021 metal welding Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention belongs to nuclear power station non-destructive testing technologies, it specifically discloses a kind of reactor pressure vessel peace note pipe and automaticly inspects positioning drive unit, including main motion component, with the sequentially connected intermediate supports component of main motion component, safe end axial component and safe end check component；Main motion component includes main motion sleeve, circumferential movement driving gear and circumferential movement driven gear, circumferential motor and axial direction electric machine；Intermediate supports component includes intermediate supports sleeve and intermediate supports mandrel；Safe end axial component includes safe end rear support, safe end front support seat, safe end guiding axis and safe end lead screw.By designing axial direction electric machine, the axial movement of main motion component and safe end axial component is driven., can be different by the lead of main motion lead screw and safe end lead screw since the axial movement of main motion component and safe end axial component is inconsistent, keep the axial velocity of two tache motorices different, meets the requirement of adapter tube ultrasonic examination and extra segment ultrasound detection.
Description
Technical field
The invention belongs to nuclear power station non-destructive testing technologies, and in particular to a kind of pressure vessel peace note pipe automaticly inspects positioning and drives
Dynamic device.
Background technique
There is different pipelines above nuclear reactor pressure container, according to the requirement of related specifications, needs to these pipelines
Weld seam does regularly non-destructive testing.Since the pipeline external near pressure vessel is wrapped in insulating layer, tear open it is more troublesome, together
When external environment dosage rate also compare more, be not easy to be detected from outside.Therefore, it can be detected from the inside of pipeline, but
Ultrasound detection is carried out from inside and is divided into contact ultrasound detection and immersion type ultrasound detection, due to weldering inside some small-caliber pipelines
Seam is not easy back chipping after welding, leaves welding slag in inner wall, if with contact ultrasound detection, it cannot be guaranteed that the fitting of probe is in turn
Testing result is influenced, while there are also block disconnected risk for probe clamper.
Currently, domestic had relevant pipeline water seaoning ultrasound automatic checking device, and check that weld seam quantity is more single
One.Structure is complicated for AP1000 type nuclear reactor pressure container peace note pipe, and size is small, and the smallest diameter only has φ 101.6mm,
And there is throat structure in centre；Meanwhile requiring the content checked more in inspection procedure specification, such as safe end more category weld seams, safety of the same race
Hold dissimilar metal welding line inspection.
Summary of the invention
Pacify note pipe the purpose of the present invention is to provide a kind of reactor pressure vessel and automaticly inspects positioning drive unit, energy
It is enough that preferably inspection equipment is positioned and driven, it realizes and the welding inspection of safe end and video is examined inside peace note pipe
It looks into.
Technical scheme is as follows:
A kind of reactor pressure vessel peace note pipe automaticly inspects positioning drive unit, including main motion component and main motion
The sequentially connected intermediate supports component of component, safe end axial component and safe end check component；
The main motion component includes main motion sleeve, the circumferential movement driving gear set on the rear portion of main motion sleeve
With circumferential movement driven gear, circumferential motor and axial direction electric machine on main motion sleeve, set on main motion barrel forward end
Draft cylinder and circumferential mounting and fixing support, circumferentially positioned piece on the circumferential mounting and fixing support and axially mounted limit
Block, and sucker on the outside of circumferential mounting and fixing support and circumferential hold out against cylinder；The circumferential mounting and fixing support rear end face
Equipped with linear bearing is stretched, stretches linear bearing end and be equipped with tension guide axis；Main fortune is fixedly connected on the stator of axial direction electric machine
Moving mandrel one end, the other end of main motion mandrel are fixedly connected with one end of two main motion guiding axis, two main motion guiding axis
The other end be fixedly connected with main motion front support seat；One end of main motion lead screw, main motion silk are fixedly connected on axial direction electric machine
The thick stick other end is connect by bearing with main motion front support seat；
The intermediate supports component includes coaxially connected intermediate supports sleeve and intermediate supports mandrel, the centre
Stop sleeve lower part two sides are equipped with intermediate supports locating piece, and the top of intermediate supports sleeve outer wall is equipped with intermediate supports withstanding tight block；
The intermediate supports mandrel is fixedly connected with main motion front support seat；
The safe end axial component includes safe end rear support and safe end front support seat, and is located at safe end
Safe end guiding axis and safe end lead screw between rear support and safe end front support seat, the safe end rear support with
The connection of intermediate supports mandrel；The intermediate supports mandrel front end of the intermediate supports component and the safe end of safe end axial component
Rear support is connected；The safe end checks that component is mounted on safe end guiding axis, and safe end checks component and safety
Terminal filament thick stick is threadedly coupled.
It is automaticly inspected in positioning drive unit in a kind of above-mentioned reactor pressure vessel peace note pipe: the safe end axis
Further include safe end axial direction input shaft to component, spur gear pair is installed on safe end axial direction input shaft, by spur gear pair by axis
Safe end lead screw is transmitted to driving force；The main motion component further includes main movement shaft to output shaft, the main motion silk
Thick stick is equipped with spur gear pair, and axial driving force is transmitted to main movement shaft to output shaft by spur gear pair；The main movement shaft
Axis connection is axially inputted to output shaft and safe end.
It is automaticly inspected in positioning drive unit in a kind of above-mentioned reactor pressure vessel peace note pipe: the safe end inspection
Looking into component includes that safe end checks mounting base, the CCD camera assembly in safe end inspection mounting base, probe mounting base and sets
Immersion probe in probe mounting base；The safe end checks that mounting base is threadedly coupled with safe end guiding axis.
It is automaticly inspected in positioning drive unit in a kind of above-mentioned reactor pressure vessel peace note pipe: the intermediate supports top
Stop screw is equipped in the counterbore at tight block center.
It is automaticly inspected in positioning drive unit in a kind of above-mentioned reactor pressure vessel peace note pipe: the main movement shaft
It is connected to output shaft with safe end axial direction input shaft by shaft coupling.
Automaticly inspect in positioning drive unit in a kind of above-mentioned reactor pressure vessel peace note pipe: main motion guiding axis is
Hollow shaft, end are fixed using two threadeds on main motion mandrel and main motion front support seat.
Remarkable result of the invention is: by designing axial direction electric machine, driving main motion component and safe end axial direction group
The axial movement of part.Since the axial movement of main motion component and safe end axial component is inconsistent, main fortune can be passed through
The lead of dynamic lead screw and safe end lead screw is different, keeps the axial velocity of two tache motorices different.This way it is possible to realize one
Axial direction electric machine drives the axially driving of two axial scanning sections, can also make to be axially moved speed difference.
Check device is hung near peace note pipe, circumferential mounting and fixing support can be well fixed on the extension end of peace note pipe,
The absorption of sucker and holding out against for cylinder is all very reliable, and it is also accurate to position to holding out against.Axially mounted limited block can to pipeline into
The reliable limit of row, draft cylinder can reliably draw entire check device to inside peace note pipe.
The accurate positioning of intermediate supports component, intermediate supports withstanding tight block can effectively withstand on the intermediate position of peace note pipe, top
Clamp force can guarantee the cantilever support of safe end component.
Safe end checks that component and extra segment check that component realizes ultrasound and video check, peace note pipe structure size compared with
In the case where small, realize multiple inspection while carrying out；
By checking adjusting washer between mounting base in probe mounting base and safe end, the deflection angle of immersion probe is carried out
Fine tuning；
Bubble has a great impact to ultrasonic signal, especially the inspection of water logging ultrasonic method, it is therefore necessary to take measures to carry out
It eliminates.Elastic tube is installed on checking component, wears tracheae on elastic tube, the bubble inside peace note pipe is extracted, can be subtracted
Influence of the minute bubbles to ultrasonic signal.Elastic tube has preferable elasticity, can pass through the intermediate necking and internal weld seams of peace note pipe
Reinforcement can guarantee that the tracheae port of air-breathing bubble is bonded in the wall of peace note pipe always under normal circumstances.Pumping bubble is occurred with vacuum
Device, vacuum generator are placed near the rear portion of check device, guarantee that the water generated during pumping bubble is directly discharged into pressure appearance
In device, while the efficiency of pumping bubble can be improved.
In addition, if adapter tube supersonic inspection device and extra segment ultrasonic detection equipment are mounted on main motion component,
While safe end checks, it is able to carry out the ultrasonic examination that peace infuses adapter tube with cylinder weld seam, extra segment, and entire peace infuses pipe
Video check.
Detailed description of the invention
Fig. 1 is that reactor pressure vessel peace note pipe automaticly inspects positioning drive unit schematic diagram；
Fig. 2 a is main moving parts schematic diagram；
Fig. 2 b is main moving parts top view；
Fig. 2 c is main moving parts side view；
Fig. 2 d is threaded schematic diagram；
Fig. 3 a is intermediate supports component side view；
Fig. 3 b is intermediate supports component diagram；
Fig. 4 is safe end axial component schematic diagram；
Fig. 5 a is that safe end checks component diagram；
Fig. 5 b is that safe end checks assembly plan view；
In figure: 1. safe ends check component；2. safe end axial component；3. intermediate supports component；4. mounting base of popping one's head in；5.
Immersion probe；6. CCD camera assembly；7. main motion component；8. safe end checks mounting base；9. circumferential hold out against cylinder；10. circumferential
Locating piece；11. main motion mandrel；12. circumferential mounting and fixing support；13. main motion sleeve；14. safety rope plate；15. axially mounted
Limited block；16. sucker；17. main motion guiding axis；18. main motion front support seat；19. main movement shaft is to output shaft；20. main fortune
Dynamic lead screw；21. stretching linear bearing；22. tension guide axis；23. draft cylinder；24. circumferential motor；25. circumferential movement is actively
Gear；26. circumferential movement driven gear；27. axial direction electric machine；28. hoisting head；29. threaded；30. intermediate supports sleeve；31.
Intermediate supports withstanding tight block；32. stop screw；33. intermediate supports mandrel；34. shaft coupling；35. intermediate supports locating piece；36. peace
It is complete to hold axial input shaft；37. safe end rear support；38. safe end lead screw；39. safe end guiding axis；40. being propped up before safe end
Support seat；41. elastic tube；42. pressed glass；43. adjusting washer.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, it includes the main fortune positioned at rear end that reactor pressure vessel peace note pipe, which automaticly inspects positioning drive unit,
Dynamic component 7 and intermediate supports component 3, safe end axial component 2 and the safe end of front end check component 1.
Main motion component 7 as shown in Figure 2 installs circumferential movement driving gear 25 and week at the rear portion of main motion sleeve 13
To movement driven gear 26, circumferential motor 24 and axial direction electric machine 27 are installed on main motion sleeve 13.
The draft cylinder 23 and circumferential mounting and fixing support 12 that 13 front ends are installed in main motion sleeve, the piston of draft cylinder 23
Bar passes through circumferential mounting and fixing support 12.Circumferentially positioned piece 10 and axially mounted limited block are installed on the circumferential direction mounting and fixing support 12
15, and sucker 16 is installed on the outside of circumferential mounting and fixing support 12 and circumferentially holds out against cylinder 9.The circumferential mounting and fixing support 12
Installation stretches linear bearing 21 on rear end face, stretches 21 end of linear bearing and installs tension guide axis 22.
Serve for circumferentially positioned piece 10 it is circumferentially positioned, circumferentially hold out against cylinder 9 serve it is circumferential hold out against, sucker 16 plays axial suction
Tight effect.
Hoisting head 28 is installed, lifting is pretended to use on main motion sleeve 13.Safety rope plate 14 is also mounted at main motion sleeve 13
On, play safeguard protection, for tying up in safety rope.
Main motion mandrel 11 is installed in the front end of draft cylinder 23, and main motion guiding axis is installed in the front end of main motion mandrel 11
17, main motion lead screw 20 is installed outside main motion guiding axis 17, main motion front support seat is installed in the front end of main motion guiding axis 17
18, main movement shaft is installed to output shaft 19 by main motion front support seat 18.Main motion guiding axis 17 is hollow shaft, and end uses
Two threadeds 29 are fixed.
It stretches linear bearing 21 and connects and stretch the composition linear motion pair of guiding axis 22, guarantee circumferential mounting and fixing support 12 and main fortune
The linear motion of moving sleeve 13, draft cylinder 23 are that circumferential mounting and fixing support 12 and main motion sleeve 13 provide the power of stretching.
When draft cylinder 23 tenses, axially mounted limited block 15 can be pushed up on pressure vessel wall, play axially position.
Intermediate supports component 3 is entire check device intermediate supports, connects main motion component 7 and safe end axial component 2
Effect.
Intermediate supports component 3 as shown in Figure 3, including intermediate supports sleeve 30, intermediate supports withstanding tight block 31, intermediate supports
Mandrel 33 and intermediate supports locating piece 35.
Intermediate supports mandrel 33 and intermediate supports sleeve 30 are coaxially connected, and there are two intermediate supports locating pieces 35, fixed peace
Mounted in 30 lower part two sides of intermediate supports sleeve, middle part positioning action is played.
Intermediate supports withstanding tight block 31 is located at the top of 30 outer wall of intermediate supports sleeve, there is several compressed springs between the two
Main movement shaft is connected to output shaft 19 and safe end axial direction input shaft (36) using shaft coupling 34.
Intermediate supports withstanding tight block 31 withstands on the middle part of peace note pipe, and stop screw 32 is position-limiting action, guarantees intermediate supports top
Tight block 31 is not ejected.Intermediate supports mandrel 33 is fixed on intermediate supports sleeve 30 by a pair of bearings, and the two relatively rotates,
33 front end of intermediate supports mandrel is connected with the safe end rear support 37 of safe end axial component 2, rear end and main motion component 7
Main motion front support seat 18 is connected, and the circumferential driving force of main motion component 7 is transmitted to safe end axial component 2.Shaft coupling 34 connects
Main movement shaft is connect to output shaft 19 and safe end axial direction input shaft 36, axial driving force is transmitted to safe end axial component 2.
As shown in figure 4, safe end axial component 2 includes safe end axial direction input shaft 36, safe end rear support 37, safety
Terminal filament thick stick 38, safe end guiding axis 39 and safe end front support seat 40.
Safe end guiding axis 39 has two, and both ends are separately fixed at safe end rear support 37 and safe end front support seat
On 40.Safe end lead screw 38 is fixed in safe end rear support 37 and safe end front support seat 40 by a pair of bearings, peace
It is complete to hold axial input shaft 36 that axial driving force is transmitted to safe end lead screw 38 by one group of spur gear pair, to solve axial location not
Consistent problem.Safe end checks that component 1 is axially moved along one group of safe end guiding axis 39, nut and peace above
Full terminal filament thick stick 38 constitutes screw pair, and safe end axial direction input shaft 36 drives safe end to check component 1 by screw pair
It is axially moved.
Safe end as described in Figure 5 checks component 1, including elastic tube 41, pressed glass 42, adjusting washer 43, probe peace
It fills seat 4, immersion probe 5, CCD camera assembly 6 and safe end and checks mounting base 8.Safe end, which checks, installs camera in mounting base 8
Component 6 is sealed in 6 upper seal of CCD camera assembly installation pressed glass 42.Safe end checks mounting and adjusting washer in mounting base 8
43, installation probe mounting base 4 in adjusting washer 43 installs immersion probe 5 in mounting base 4 of popping one's head in.Elastic tube 41 is mounted on safety
End checks in mounting base 8.
Safe end checks that mounting base 8 is installation foundation.CCD camera assembly 6 includes camera, light source, drive circuit board and anti-
Mirror etc. is penetrated, video check use is done.Pressed glass 42 plays the sealing function of CCD camera assembly 6.Immersion probe 5 is mounted on probe installation
On seat 4, pop one's head in mounting base 4 and safe end, which check between mounting base 8,4 adjusting washers 43, to the deflection angle of immersion probe 5 into
Row fine tuning.Tracheae is worn on elastic tube 41, the bubble inside peace note pipe is extracted, can reduce bubble to the shadow of ultrasonic signal
It rings.Elastic tube 41 has preferable elasticity, and intermediate necking and the internal weld seams reinforcement of pipe can be infused by peace, can be protected under normal circumstances
The tracheae port of card air-breathing bubble is bonded in the wall of peace note pipe always.It is evacuated bubble vacuum generator, vacuum generator is placed on
Near the rear portion of check device, guarantee that the water generated during pumping bubble is directly discharged into pressure vessel, while pumping can be improved
The efficiency of bubble.
Main motion component 7 is that the installation foundation of entire check device and nozzle inspection component 4 and extra segment check component
5 movable basis, while circumferential and axial driving force being provided.Safe end axial component 2 is cantilever design, is that safe end checks component
1 movable basis.Intermediate supports component 3 is entire check device intermediate supports, connects main motion component 7 and safe end axial direction group
The effect of part 2.4 pairs of peace note adapter tubes of nozzle inspection component carry out ultrasonic examination with cylinder weld seam.4 pairs of peace note pipes of nozzle inspection component
Extra segment carries out ultrasonic examination, and carries out video check to the rear end of peace note pipe.Safe end checks component 1 to safe end gold of the same race
Belong to weld seam and safe end dissimilar metal weld seam carries out ultrasonic examination, and video check is carried out to the leading portion of peace note pipe.Divide air parcel group
Part 6 is switching and the distributor gear of check device pneumatic control system.Separated time box assembly 8 is switching and the distributor gear of electrical system.
Circumferential movement: the stator of circumferential motor 24 is fixed on main motion sleeve 13, the rotor and circumferential direction of circumferential motor 24
Movement driving gear 25 is fixedly connected, and main motion mandrel 11 is relatively rotated by a pair of bearings and main motion sleeve 13, circumferential to transport
Dynamic driven gear 26 and main motion mandrel 11, circumferential movement driving gear 25 and circumferential movement driven gear 26 constitute gear pair.
In this way, circumferential driving force is transmitted to main motion mandrel 11 by gear pair by circumferential motor 24.
Main axial movement: the stator of axial direction electric machine 27 is fixed on main motion mandrel 11, axial direction electric machine 27 and main motion
Lead screw 20 is fixedly connected, and 20 other end of main motion lead screw is fixed on main motion front support seat 18 by bearing.Main motion guiding
Axis 17 shares two, and main motion mandrel 11 and main motion front support seat 18 are inserted into both ends respectively, and main motion guiding axis 17 is sky
Mandrel, inside can be fixed with cabling, end using two threadeds 29.Main motion lead screw 20 will by one group of gear drive
Axial driving force is transmitted to main movement shaft to output shaft 19.Nozzle inspection component 4 and extra segment check that component 5 is connected to one piece, two
Person is moved along a straight line by linear bearing along main motion guiding axis 17.Nut is installed, with main motion lead screw 20 inside it
Screw pair is constituted, axial direction electric machine 27 checks that component 5 is axial by feed screw nut sub-control nozzle inspection component 4 and extra segment
Movement.
Claims (6)
1. a kind of reactor pressure vessel peace note pipe automaticly inspects positioning drive unit, including main motion component (7) and main motion
The sequentially connected intermediate supports component (3) of component (7), safe end axial component (2) and safe end check component (1), feature
It is:
The main motion component (7) include main motion sleeve (13), be set to main motion sleeve (13) rear portion circumferential movement
Driving gear (25) and circumferential movement driven gear (26), the circumferential motor (24) being set on main motion sleeve (13) and axial electricity
Machine (27), be set to main motion sleeve (13) front end draft cylinder (23) and circumferential direction mounting and fixing support (12), set on the week
Circumferentially positioned piece (10) and axially mounted limited block (15) on mounting and fixing support (12), and it is set to circumferential mounting and fixing support
(12) sucker (16) and circumferential direction on the outside of hold out against cylinder (9)；Circumferential mounting and fixing support (12) rear end face, which is equipped with, to be stretched directly
Spool is held (21), is stretched linear bearing (21) end and is equipped with tension guide axis (22)；It is fixed on the stator of axial direction electric machine (27) to connect
Main motion mandrel (11) one end is connect, the other end of main motion mandrel (1 1) is fixedly connected with the one of two main motion guiding axis (17)
End, the other end of two main motion guiding axis (17) are fixedly connected with main motion front support seat (18)；It is solid on axial direction electric machine (27)
Surely the one end of main motion lead screw (20) is connected, main motion lead screw (20) other end is connected by bearing and main motion front support seat (18)
It connects；
The intermediate supports component (3) includes coaxially connected intermediate supports sleeve (30) and intermediate supports mandrel (33), institute
Intermediate supports sleeve (30) the lower part two sides stated are equipped with intermediate supports locating piece (35), the top of intermediate supports sleeve (30) outer wall
Equipped with intermediate supports withstanding tight block (31)；The intermediate supports mandrel (33) is fixedly connected with main motion front support seat (18)；
The safe end axial component (2) includes safe end rear support (37) and safe end front support seat (40), Yi Jiwei
Safe end guiding axis (39) and safe end lead screw between safe end rear support (37) and safe end front support seat (40)
(38), the safe end rear support (37) is connect with intermediate supports mandrel (33)；In the intermediate supports component (3)
Between support mandrel (33) front end be connected with the safe end rear support (37) of safe end axial component (2)；The safe end inspection
It looks into component (1) to be mounted on safe end guiding axis (39), and safe end checks that component (1) and safe end lead screw (38) screw thread connect
It connects.
2. a kind of reactor pressure vessel peace note pipe as described in claim 1 automaticly inspects positioning drive unit, feature exists
In: the safe end axial component (2) further includes safe end axial direction input shaft (36), is pacified on safe end axial direction input shaft (36)
Spur gear pair is filled, axial driving force is transmitted to by safe end lead screw (38) by spur gear pair；The main motion component (7) also wraps
Main movement shaft is included to output shaft (19), the main motion lead screw (20) is equipped with spur gear pair, will be axial by spur gear pair
Driving force is transmitted to main movement shaft to output shaft (19)；The main movement shaft is to output shaft (19) and safe end axial direction input shaft
(36) it connects.
3. a kind of reactor pressure vessel peace note pipe as described in claim 1 automaticly inspects positioning drive unit, feature exists
In: the safe end checks that component (1) includes that safe end checks mounting base (8), in safe end inspection mounting base (8)
CCD camera assembly (6), probe mounting base (4) and the immersion probe (5) being set on probe mounting base (4)；The safe end inspection
Mounting base (8) is looked into be threadedly coupled with safe end guiding axis (39).
4. a kind of reactor pressure vessel peace note pipe as described in claims 1 or 2 or 3 automaticly inspects positioning drive unit,
It is characterized in that: being equipped with stop screw (32) in the counterbore at intermediate supports withstanding tight block (31) center.
5. a kind of reactor pressure vessel peace note pipe as described in claims 1 or 2 or 3 automaticly inspects positioning drive unit,
Be characterized in that: the main movement shaft is connected to output shaft (19) and safe end axial direction input shaft (36) by shaft coupling (34).
6. a kind of reactor pressure vessel peace note pipe as described in claims 1 or 2 or 3 automaticly inspects positioning drive unit,
Be characterized in that: main motion guiding axis (17) is hollow shaft, and end is fixed using two threadeds (29) in main motion mandrel
(11) and on main motion front support seat (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017025.3A CN106935289B (en) | 2015-12-29 | 2015-12-29 | A kind of reactor pressure vessel peace note pipe automaticly inspects positioning drive unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511017025.3A CN106935289B (en) | 2015-12-29 | 2015-12-29 | A kind of reactor pressure vessel peace note pipe automaticly inspects positioning drive unit |
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| Publication Number | Publication Date |
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| CN106935289A CN106935289A (en) | 2017-07-07 |
| CN106935289B true CN106935289B (en) | 2019-01-08 |
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|---|---|---|---|---|
| CN109975423B (en) * | 2017-12-27 | 2024-06-11 | 核动力运行研究所 | Delivery ultrasonic inspection device for safety end of nuclear reactor pressure vessel connecting pipe |
| CN109975425B (en) * | 2017-12-27 | 2024-06-11 | 核动力运行研究所 | Delivery ultrasonic inspection device for reactor pressure vessel connecting pipe |
| CN109979613A (en) * | 2017-12-27 | 2019-07-05 | 核动力运行研究所 | A kind of nuclear reactor pressure container inner wall of the pipe air bubble eliminating device and method |
| CN111354484B (en) * | 2018-12-21 | 2024-08-09 | 核动力运行研究所 | Nuclear safety primary part bolt automatic checking device |
| CN111354486B (en) * | 2018-12-21 | 2024-08-09 | 核动力运行研究所 | Automatic checking device for main bolt of reactor pressure vessel |
| CN116844744A (en) * | 2023-06-15 | 2023-10-03 | 三门核电有限公司 | A device and method for internal video inspection of nuclear fuel assembly guide tubes |
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| CN205406103U (en) * | 2015-12-29 | 2016-07-27 | 核动力运行研究所 | Reactor pressure vessel ann annotates pipe automated inspection positioning drive device |
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